Medical testing device



FIG. 1 is top, left, front perspective view of a medical testing device;

FIG. 2 is a bottom, left, front perspective view thereof;

FIG. 3 is a top, right, rear perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a rear elevational view thereof; and,

FIG. 9 is a front elevational view thereof.

The broken lines depict portions of the medical testing device that form no part of the claimed design. 

CLAIM The ornamental design for a medical testing device, as shown and described. 